create table sys_crf_form_file (
   id                   varchar(64)          not null,
   datacontent          image                null,
   fileNameOrg          varchar(256)         null,
   fileLength           int                  null,
   contentType          varchar(256)         null,
   constraint PK_SYS_CRF_FORM_FILE primary key (id)
)
on "PRIMARY"


declare @CurrentUser sysname
select @CurrentUser = user_name()
execute sp_addextendedproperty 'MS_Description',
   '数据id',
   'user', @CurrentUser, 'table', 'sys_crf_form_file', 'column', 'id'


declare @CurrentUser sysname
select @CurrentUser = user_name()
execute sp_addextendedproperty 'MS_Description',
   '数据内容',
   'user', @CurrentUser, 'table', 'sys_crf_form_file', 'column', 'datacontent'


declare @CurrentUser sysname
select @CurrentUser = user_name()
execute sp_addextendedproperty 'MS_Description',
   '单位 byte',
   'user', @CurrentUser, 'table', 'sys_crf_form_file', 'column', 'fileLength'